package com.heima.admin.service.impl;

import cn.hutool.core.util.ObjUtil;
import cn.hutool.crypto.SecureUtil;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.admin.mapper.AdUserMapper;
import com.heima.admin.service.AdUserService;
import com.heima.model.admin.dtos.AdUserDto;
import com.heima.model.admin.pojos.AdUser;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.utils.common.HutoolJWT;
import org.springframework.stereotype.Service;

import java.util.HashMap;

@Service
public class AdUserServiceImpl extends ServiceImpl<AdUserMapper, AdUser> implements AdUserService {
    /**
     * 登录
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult login(AdUserDto dto) {
        //1.检查参数
        if (!ObjUtil.isAllNotEmpty(dto, dto.getName(), dto.getPassword())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID, "用户名或密码为空");
        }

        //2.查询用户
        AdUser adUser = getOne(Wrappers.<AdUser>lambdaQuery().eq(AdUser::getName, dto.getName()));
        if (ObjUtil.isNull(adUser)) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }

        //3.比对密码
        String salt = adUser.getSalt();
        String pswd = dto.getPassword();
        pswd = SecureUtil.md5(pswd + salt);
        if (pswd.equals(adUser.getPassword())) {
            // 生成Token 并 返回
            HashMap<String, Object> mm = new HashMap<>();
            mm.put("id", adUser.getId());
            String token = HutoolJWT.creatToken(mm);

            HashMap<Object, Object> result = new HashMap<>();
            result.put("token", token);
            adUser.setSalt("");
            adUser.setPassword("");
            result.put("user", adUser);
            return ResponseResult.okResult(result);
        }
        return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
    }
}
